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Worksheet
Curated OER

Rationalize Denominators

For Students 9th - 11th
Solve 10 different problems that include various rational expressions. First, learners rationalize the denominator in each set. Then, they write the conjugate for each binomial and determine the reciprocal. They also write an expression...
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Lesson Plan
EngageNY

The Long Division Algorithm

For Students 8th Standards
Two methods are always better than one! The eighth installment in this series asks pupils to convert decimals to fractions using two approaches. Individuals first use the more traditional approach of long division and then use reverse...
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Lesson Plan
Curated OER

Numbers 1.1

For Teachers 11th - 12th
In this numbers 1.1 worksheet, learners solve 64 problems about all kinds of numbers:  rational, irrational, prime, composite, square roots, fractions, decimals.
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Lesson Plan
Curated OER

Subtraction With Integers

For Teachers 6th - 8th
This thorough introduction to the concept of subtracting negative integers walk learners through the necessary steps using teacher modeling and guided practice. Number lines and various word problems are used to support understanding of...
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Lesson Plan
Curated OER

Slicing Up Fractions

For Teachers 3rd - 8th Standards
Add and multiply fractions with your elementary and middle schoolers! They review the concepts of equivalent fractions, adding fractions, and multiplying fractions as they solve problems involving pieces a virtual pizza. Lots of practice...
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Worksheet
Curated OER

Thought Log: Correcting Harmful Thoughts

For Students 9th - Higher Ed
A thought log helps people track daily events, their (possibly harmful) internal reactions, and the consequences and behaviors they experience in response to their own thoughts. The last column of the chart provides space to conceive...
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Lesson Plan
Curated OER

Solving Rational Equations

For Teachers 9th - 10th
In this rational equation worksheet, pupils solve rational expressions by finding the LCM. There are 18 problems on this two-page worksheet.
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Lesson Plan
Curated OER

Addition and Subtraction of Rational Expressions

For Teachers 9th - 10th
In this rational expression worksheet, students simplify rational expressions through addition and subtraction. Twenty problems are provided on this two-page worksheet.
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Activity
2
2
Illustrative Mathematics

Rational or Irrational?

For Teachers 9th - 12th Standards
Is 4 plus the square root of 2 rational or irrational? After your class has gained a basic grasp of rational and irrational numbers, use this worksheet to push them a little further in their understanding. Learners must identify sums and...
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Assessment
EngageNY

End-of-Module Assessment Task: Grade 6 Math Module 3

For Students 6th Standards
The last installment of a 21-part module is an end-of-module assessment. Individuals show their understanding of positive and negative numbers on the number line, absolute value, and the coordinate plane in a variety of contexts.
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Lesson Plan
National WWII Museum

Rationing by the Numbers: Quantitative Data as Evidence

For Teachers 7th - 12th Standards
What was it like to live on wartime rations in the United States during World War II? Young historians find out by exploring how those on the home front bought food thanks to the ration system. Other data includes statistics on car sales...
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Lesson Plan
Curated OER

Babylonian Mathematics I

For Teachers 8th - 10th
Learners examine a Babylonian clay tablet and the mathematics found on it as a catalyst to investigate a variety of mathematical ideas. They work with prime numbers, classify numbers as whole, integer, rational, or irrational and use...
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Printables
1
1
Houghton Mifflin Harcourt

Unit 8 Math Vocabulary Cards (Grade 6)

For Students 6th Standards
Additive inverse, expression, and irrational numbers are a few terms you'll find when you use a set of 22 flashcards designed to reinforce math vocabulary. The set includes two types of cards; a bold-faced word card, and a corresponding...
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Lesson Plan
2
2
Curated OER

Mixing Fertilizer

For Teachers 9th - 12th Standards
Your young landscapers do concentration calculations in this problem dealing with mixing fertilizer. Learners use and analyze rational expressions within this context.
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Handout
2
2
Math Mammoth

Add & Subtract Integers Fact Sheet

For Students 5th - 8th Standards
Guide young mathematicians through the crazy world of negative numbers with a handy reference document. Offering clear instructions for adding and subtracting positive and negative integers, this resource is a great way to support...
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Worksheet
Curated OER

Rational or Irrational

For Students 7th
For this rational and irrational numbers worksheet, 7th graders solve 24 different problems that include defining various rational and irrational numbers and/or expressions. First, they identify whether each given number and/or...
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Lesson Plan
Curated OER

College Prep Algebra, Signed Numbers

For Teachers 8th - 9th
In this algebra worksheet, students solve equations with signed numbers. Of the 50 problems, 5 involve fractions and 10 have exponents. The remaining 35 problems involve operations with integers.
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Lesson Plan
Curated OER

Babylonian Mathematics 2

For Teachers 9th - 12th
Students research Babylonian mathematics. They calculate simple surd numbers. Students find the fractional form of rational numbers expressed as decimals. They work with numbers in base 60.
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Assessment
CCSS Math Activities

Smarter Balanced Sample Items: High School Math – Target B

For Students 9th - 12th Standards
There are only two options to consider: rational or irrational. Pupils review rational and irrational numbers by answering a set of eight questions provided in a PowerPoint presentation. Part of larger Claim 1 Item Slide Show series, the...
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Lesson Plan
University of Minnesota

Fraction Operations and Initial Decimal Ideas

For Teachers 4th - 6th Standards
Add another strategy to the toolboxes of young mathematicians with this elementary math lesson on using number lines to add and subtract fractions.
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Assessment
Concord Consortium

Last Digit Arithmetic

For Students 7th - 10th Standards
Mathematics involves a study of patterns. The exploratory lesson has learners consider the addition pattern in different sets of numbers. Each set has a different pattern that pupils describe mathematically. The patterns involve both...
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Lesson Plan
Curated OER

The Real Number System

For Teachers 7th - 8th
Learners analyze the real number system. They discuss real numbers, rational and irrational numbers, integers, whole numbers, natural numbers and more of the real number in the system. They differentiate between all these numbers.
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Lesson Plan
Curated OER

Worksheet Chapter 1, 1.2-1.8 College Prep Algebra

For Teachers 8th - 12th
In this algebra worksheet, students complete a variety of basic algebra problems. They compare integers, identify sets of numbers, simplify equations, translate words into numerical expressions, and identify properties. This worksheet...
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Worksheet
Curated OER

Twenty-Six Rationalize Imaginary Denominators

For Students 10th - 12th
In this rationalizing denominators worksheet, students rationalize imaginary denominators in twenty-six problems.  Sixteen of the problems have denominators that are monomials and ten binomials.  The solutions are provided.

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